Vincent Racaniello

This Week in Parasitism

Science EN ↓ 283 episodes

TWiP is a monthly netcast about eukaryotic parasites. Vincent Racaniello and Dickson Despommier, science Professors from Columbia University, deconstruct parasites, how they cause illness, and how you can prevent infections.

Author

Vincent Racaniello

Category

Science

Podcast website

microbe.tv

Latest episode

Jul 7, 2026

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Episodes

TWiP 183: When they dry they die 08.05.2020

Dickson, Daniel and Vincent solve the case of the Female with Itchy Anus, and reveal the structure of a roundworm membrane protein involved in digestion of nutrients. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free): iTunes , Google Podcasts ,  RSS ,  email Links for this episode Structure of roundworm digestive complex (PLoS Path) Hero: Dr. Anthony Fauci Fauc...

TWiP 182: Super spreaders of science 11.04.2020

Dickson, Daniel and Vincent solve the case of the Ugandan Volunteer With Morning Bites and discuss integration of HIV-1 into the Schistosome genome, with a sprinkling of COVID-19 throughout. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode PWB social media: Facebook , Instagram , Twitter Daniel...

TWiP 181: Daniel's drive-through 14.03.2020

Dickson, Daniel and Vincent solve the case of the Two Volunteers With Watery Diarrhea, discuss diagnosis of SARS-CoV-2 in the New York area, and reveal an approach to preventing honeybee colony collapse by imbuing their gut bacteria with the ability to produce antiviral and antiparasite double-stranded RNAs. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  i...

TWiP 180: A spleen palaver 08.02.2020

The TWiP professors solve the case of the Ugandan Child with Splenomegaly, and reveal that mutations in the P. falciparum genome that confer artemisinin resistance interfere with endocytic uptake of hemoglobin. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode PWB social media: Facebook , Instagr...

TWiP 179: Verminous visitors 11.01.2020

The TWiP DVD solve the case of the Child Who Passed Worms, and discuss a non-human primate model for severe malarial anemia. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode PWB social media: Facebook , Instagram , Twitter Primate model of severe malarial anemia (Sci Rep) Ascaris skirt (and more...

TWiP 178: The shadowlands of medicine 04.12.2019

The Knights of the TWiP solve the case of the Man Who Lost Weight, and discuss a Plasmodium protein kinase that is a malarial drug target. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode PWB social media: Facebook , Instagram , Twitter Protein kinase as malaria drug target (Science) Hero: Myron...

TWiP 177: A scabrous education 06.11.2019

The TWiPsters solve the case of the Rashy Schoolteacher, and reveal a drug from rotifers that live on the snail intermediate host which paralyzes schistosome cercariae and prevents infection of mice. Hosts:  Vincent Racaniello , Dand  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode Progress towards global eradication of dracunculiasis (MMWR) Rotife...

TWiP 176: Blood schmear 09.10.2019

The TWiPpers of the bite fantastic solve the case of the Indian Man Who Hiked, and discuss the effects of schistosome soluble egg antigen on infection of lymphocytes with HIV-1. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode Effect of schistosome soluble egg antigen on HIV-1 infection (PLoS P)...

TWiP 175: None alone pathognomonic 04.09.2019

The TWiP'ers solve the case of the Sudanese Boy With Fever, and reveal antibodies against that slow invasion of red blood cells potentiate other malaria-blocking antibodies. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode Antibodies that slow malaria invasion (Cell) Hero: Sir Leonard Rogers ( p...

TWiP 174: Fat cat 01.08.2019

Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin The TWiPloid organisms solve the case of the Doctor with Chronic Epigastric Pain, and reveal how levels of linoleic acid in the intestine enable the sexual cycle of Toxoplasma gondii  in cats. Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode: Determinant of T. gondii sexual cycle (bioRxiv) A Yea...

TWiP 173: Rose colored spots 13.07.2019

Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin The podcastellani hosts solve the case of the Sailor With Dysentery, and reveal the first virus discovered in Plasmodium  species. Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Links for this episode: Matryoshka RNA virus of Plasmodium   (bioRxiv) Hero: Rose Gana Fomban Leke Letters read  on TWiP 173 Become a  patr...

TWiP 172: A painless lesion 14.06.2019

Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin The metacyclic TWiPomastigotes solve the case of the Child With a Painless Leg Lesion, and reveal how to kill mosquitoes with a genetically modified fungus. Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Transgenic Metarhizium  kills mosquitoes (Science) Hero: Veena Tandon Letters read  on TWiP 172 Links for this ep...

TWiP 171: Better than a sharp stick in the eye 23.05.2019

The Leishmaniacs solve the case of the Child With Band Keratopathy, and reveal a eukaryotic parasite with functional mitochondria but without mitochondrial genomes. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Elmer Pfefferkorn, 87 Eukaryotic parasite without mito...

TWiP 170: A worm's eye view 08.05.2019

The TWiPlicates solve the case of the Child With Retinal Granuloma, and discuss an association of the complement protein collectin-11 with the pathophysiology of Chagas disease. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Chagas disease pathophysiology and collec...

TWiP 169: What goes on in the snail 11.04.2019

The TriTWiPomonads solve the case of the Child Who Passed a Worm, and reveal recombination between bovine and human schistosome species. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: S. bovis  and S. haematobium hybrids (PLoS Path) Hero: Ann Bishop Letters read  on...

TWiP 168: Kleptoparasitism and the stercoraceous souvenir 27.03.2019

The Giardians of the Galaxy solve the case of the Woman With a Colonic Stowaway from Hispaniola, and discuss activation of intestinal tuft cells by Trichinella spiralis . Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: T. spiralis and intestinal tuft cells (PNAS) Her...

TWiP 167: The constipated mathematician 27.02.2019

The Tremendous Trio solve the case of the Woman With Foul Steatorrhea, and reveal breakdown of the glycocalyx associated with severe and fatal malaria. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Glycocalyx and severe malaria (Clin Inf Dis) Hero: Bridget Ogilvie...

TWiP 166: From remote locations 16.02.2019

The Podfessors solve the case of the Teenager With Swollen Scrotum, and continue the story arc of Daniel's favorite cells, B-1 cells, and their association with protective immune responses in human Chagas disease. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: B1 ce...

TWiP 165: The sound of crackles 26.01.2019

The TWiP team solves the case of the Four Year Old with Fever, Headache, and Cough, and discuss the release of extracellular vesicles from Leishmania amazonensis that manipulate the host immune response. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Crackles (Wikip...

TWiP 164: Surf n' perf 12.01.2019

The TWiP legends solve the case of Surfer Sans Septum, and discuss how two symbiotic bacteria in the tsetse fly allow colonization with Trypanosoma brucei . Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: A Tale of Three Species (mBio) V.B. Wigglesworth (Wikipedia) V...

TWiP 163: Trout and parasites 29.12.2018

The doctors of awesome solve the case of the Woman Who Visited Lebanon, and reveal that immunoglobulins protect the olfactory organ of trout against infection with the Ich parasite. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Mucosal Ig protect trout from Ich (PL...

TWiP 162: That swollen parcel of dropsies 21.11.2018

The TWiP professors solve the case of the Baby With Pericardial Effusion, and discuss whether the flagellate without a flagella, Dientamoeba fragilis , causes human illness. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Patients with Dientamoeba fragilis  infection...

TWiP 161: All I need is a bit of skin 10.11.2018

The TWiPsters solve the case of the Brazilian Immigrant With Heart Problems, and describe how genome organization controls trypanosome antigenic variation. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Trypanosome genome organization and antigenic variation (Nature...

TWiP 160: Toddy tappers 10.10.2018

The TWiPlets solve the case of the Electrician from Tamil Nadu with a Liver Mass, and reveal that dogs and humans share a common Chadian Guinea worm. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Chadian Guinea worms in humans and dogs   (PLoS NTD) Hero:  Karl Geor...

TWiP 159: Loa and Loa but not gone 28.09.2018

The TWiP triptych solve the case of the 9/11 Survivor infested with parasites, and discuss the effect of community ivermectin treatment for onchocerciasis on Loa loa  infections. Hosts:  Vincent Racaniello , Dickson Despommier , and  Daniel Griffin Subscribe (free):  iTunes , Google Podcasts ,  RSS ,  email Become a  patron  of TWiP. Links for this episode: Ivermectin for onchocerciasis and loiasi...

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